// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_TEST_ORDERED_TEXTURE_MAP_H_
#define CC_TEST_ORDERED_TEXTURE_MAP_H_

#include <stddef.h>

#include <unordered_map>
#include <vector>

#include "base/memory/ref_counted.h"
#include "third_party/khronos/GLES2/gl2.h"

namespace cc {

struct TestTexture;

class OrderedTextureMap {
public:
    OrderedTextureMap();
    ~OrderedTextureMap();

    void Append(GLuint id, scoped_refptr<TestTexture> texture);
    void Replace(GLuint id, scoped_refptr<TestTexture> texture);
    void Remove(GLuint id);

    size_t Size();

    bool ContainsId(GLuint id);

    scoped_refptr<TestTexture> TextureForId(GLuint id);
    GLuint IdAt(size_t index);

private:
    using TextureMap = std::unordered_map<GLuint, scoped_refptr<TestTexture>>;
    using TextureList = std::vector<GLuint>;

    TextureMap textures_;
    TextureList ordered_textures_;
};

} // namespace cc

#endif // CC_TEST_ORDERED_TEXTURE_MAP_H_
